Re: how offsets and alignment works: an explanation

[David Kastrup]

Urs Liska <address@hidden> writes:

> Am 16.04.2013 14:07, schrieb Richard Shann:
>> On Tue, 2013-03-26 at 10:29 +0100, Urs Liska wrote:
>>> BTW we're preparing the release of a LilyPond toolbox library (where
>>> \displayControlPoints will be included of course), and I'd love to
>>> include this new one there too.
>>>
>> I've been trying to track down where this code might be - the last email
>> in the thread
>> http://www.mail-archive.com/address@hidden/msg34439.html
>>   ends with a snippet which fails on execution
>>
>> Drawing systems...test.ly:28:6: In procedure memoization in expression
>> (if (eq? line #t) (begin #) ...):
>> test.ly:28:6: In file "test.ly", line 27: Missing or extra expression in
>> (if (eq? line #t) (begin (ly:stencil-add (make-line-stencil 0.05 (car
>> (first cps)) (cdr (first cps)) (car (second cps)) (cdr (second cps)))
>> cps)) (car (third cps)) (cdr (third cps))).
>>
>> this is with 2.16.2
>>
>> Richard Shann
>>
>>
> I can't tell this right now, but it may very well be that this is due
> to syntax changes after 2.16.

Scheme syntax has not changed after 2.16...  Here "if" gets four
arguments, one more than it can possibly accept.

-- 
David Kastrup